Beitton



P. BARRY.

SPRING CONNECTION Po RIGLRS. No' 265,914- R med 001;.10, 1882.

UNITED STATES PATENT OFFICE.

PETER BARRY, OF NEW YORK, N. Y., ASSIGNOR OF ONE-HALF TO JOHN YV. BRITTON, HENRY BRE WSTER, AND CHANNING M. BRITTON, ALL OF SAME PLAGE.

SPRING-CONNECTION FOR VEHICLES.

SPECIFICATION forming' part of Letters Patent No. 265,914, dated October 10, 1882.

Application tiled April 10, 1882.

To all whom it may concern:

Beit known that I, PETER BARRY, ot' the city and county of New York, in the State ot' New York, have invented a new and useful improvement in Spring-Connections for Wagons and other Vehicles, ot' which the following is a specitication.

My invention relates to spring-couplings for side-bar vehicles, ino which the spring is proro vided with .lugs projecting from opposite sides, which are secured between a base-plate and bearings or caps attached together to the under side ot' the side bar.

The invention consists in a novel construe tion of and manner ot' combining the spring- F lugs with their bearings or caps, whereby pro vision is attorded for the movement of the lugs in their bearings as the spring elongates without spreading the side bars.

In the accompanyingdrawings,Figure 1 represents a longitudinal section of a portion of a side bar and myimproved coupling. Fig. 2 represents a side view ot' a portion ot' the spring and coupling and a transverse section ot' the side bar. Fig. 3 represents a section on the dotted lille x at., Fig. 1. Fig. 4 represents a similar section ou the dotted line y y, Fig. 1; and Fig. 5 represents an inverted plan ot' one ot' the plates ofthe coupling and a rubber cush- 3o ion which I may employ.

Similar letters ot' reference designate corresponding parts in all the n'gures.

A designates the side bar ot' a wagon or other vehicle, and B designates a semi-elliptical spring, whereon the body is to be supported, and the ends of which are coupled to the side bars. The spring is provided at its end with lugs a., projecting from its opposite sides, and these lugs are here shown as approxi- 4o mately elliptical in .their transverse section. The upper sides ot' the lugs need not be of any particular curvature, or, indeed, they may be fiat. i

The coupling is composed essentially of a clip-plate or base-plate, C, applied to the under side ot' the side bar, A, two bearings or caps, D, upon which the lugs a rest and are supported, and two clips, E, which embrace the cross-bar and secure the plate G and bear- (No model.)

ings D in place on the side bar. The bearings or caps D are provided in their upper side with concave recesses, wherein the lugs a rest, and the curved surface ofthe bearings is an arc having the same radius as the arcshaped underside ot' the lugs a, but of greater length,'so that the arc-shaped surface of the bearing extends` beyond the arc-shaped under surface ot' the lug on each side.

F designates a rubber cushion, interposed between the top of the lugs and the plate (i, butI the cushion may be dispensed with. The portion of the plate G between the caps or bearings` D is provided with downwardly-projecting lips or flanges b, which keep the rubber cushion in place, and the portion ot' the cushion extending through the bearings is narrower than the cavity in the bearings, as shown'in Fig. 4, so that the cushion may eX- pand laterally as it is compressed and reduced in thickness. 7o

rlhe base or clip plate O may have downwardly-projecting lianges c at'the ends, which lap over the ends ot1 the lugs c and prevent; lateral shifting of the spring.

The essential feature of the invention consists in making the arc-shaped surface et' the bearings D longer than the arc-shaped under surfaces of the lugs a, because, then, as the load comes on the spring and it elongates the lugs can slide freelyon the bearings and obviate the spreading ot" the side bars. rlhe saine result could not be attained with round lugs entirely filling the bearings D, unless they were made ot' such large size that the couplings would be clumsy and impracticable. 85

What I claim as my invention, and desire t0 secure by Letters Patent, is-

The combination, with the spring provided with the lugs a, which are arc-shaped on their under sides, of the caps or bearings D, having arc-shaped surfaces, to which said lugs are fitted, and which are longer than the arcshaped under sides of said lugs, substantially as and for the purpose specited.

PETER BARRY.

- Witnesses W. A. OsTMIRE, J. W. HABEN, Jr. 

